Re: LDAP Tree Delete Control - draft-armijo-ldap-treedelete-01.txt

[Helmut Volpers <helmut.volpers@icn.siemens.de>]

"Salter, Thomas A" wrote:
> 
> I think if you take that position to an extreme, you'll never use controls
> for anything.  The RFCs should specify explicitly what every form of an
> operation will do.  A control by its very nature changes (and thus
> contradicts) that.
> 
> In this case, changing delete into delete tree feels (to me) like a natural
> use for a control.  It's a lot like the change of ModifyRDN into ModifyDN
> that happened from V2 to V3.

The modifyDN is an atomic operation. You have a grant for rename and
then you can rename it. (like a modify) If you use new superior (move)
you check the grant for export and import and move the subtree (atomic).
It's not like a treedelete. (at the moment there is no grant DeleteTree
for example.
> 
> I guess the actual choice between control and an extended operation is more
> art than science.  I'd lean towards using a control whenever the parameters
> work out 'nicely' and the function is about the same.
> 
>  > -----Original Message-----
>  > From: Bruce Greenblatt [mailto:bgreenblatt@dtasi.com]
>  > Sent: Thursday, July 01, 1999 12:06 AM
>  > To: Michael Armijo (Exchange); 'ietf-ldapext@netscape.com'
>  > Subject: RE: LDAP Tree Delete Control -
>  > draft-armijo-ldap-treedelete-01.txt
>  >
>  >
>  > I certainly understand the text of the draft.  I'm pointing
>  > out that I was
>  > reluctant to create a control that explicitly contradicts
>  > the operation to
>  > which it is intended to be attached.  RFC 2251 is certainly
>  > silent on the
>  > issue of what a control may do (at least there is nothing obvious in
>  > 4.1.12).  I'd just be cautious in this instance in creating
>  > a control that
>  > appears to allow the delete operation to contradict the protocol
>  > specification.  What's the advantage in using a control for
>  > this versus an
>  > extended operation?
>  >
>  > Bruce

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